.firstCategory{
    display: flex;
    li{
        list-style: none;
        margin: 0 10px;
        font-size: 16px;
    }
}
.product-list{
    width: 1200px;
    display: flex;
    flex-wrap: wrap;
    .product-item{
        width: 220px;
        height: 350px;
        box-shadow: 10px 10px 10px gray;
        margin: 10px;
        .product-image{
            width: 192px;
            height: 192px;
            overflow: hidden;
            img{
                width: 192px;
            }
        }
    }
}